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INSULATION Material
PVC
Rubber
SIlicon


RATED CROSS SECTION COPPER CONDUCTOR mm2
CURRENT CARRYING CAPACITY
A
A
A


0.5
7
-
7
0.75
12
14
12
1
15
17
15
1.5
18
21
18
2.5
26
30
26
4
34
41
34
6
44
53
44
10
61
74
61
16
82
99
82
25
108
131
108
35
135
162
135
50
168
202
168
70
207
250
207
95
250
301
250
120
292
353
292
150
-
391
335
Number of loaded cores
De rating factor


5
0.75
7
0.65
10
0.55
14
0.55
19
0.45
24
0.4
40
0.35
61
0.3
Derating factors for reeled cables
Number of layers
1
2
3
4
Derating factors
0.8
0.61
0.49
0.42
Derating factors for multi-core cables with conductor cross sections up to 10 mm2
Derating factors for deviating ambient temperatures


INSULATION MATERIAL PERMISSIBLE OPERATING TEMP AMBIENT TEMPERATURE °C
PVC
EPR
SIR
70°C
80°C and 90°C
180°C

DERATING FACTORS
10
1.22
1.18
1
15
1.17
1.14
1
25
1.06
1.05
1
30
1
1
1
35
0.94
0.95
1
40
0.87
0.89
1
45
0.79
0.84
1
50
0.71
0.77
1
55
0.61
0.71
1
60
0.5
0.63
1
65
-
0.55
1
70
-
0.45
1
75
-
-
1
145
-
-
1
150
-
-
1
155
-
-
0.91
160
-
-
0.82
165
-
-
0.71
170
-
-
0.58
175
-
-
0.41
Number of multi-core cables
1
2
3
4
5
6
7
8
9
10
12
14
16
18
20
1
0.8
0.7
0.65
0.6
0.57
0.54
0.52
0.5
0.48
0.45
0.43
0.41
0.39
D.38
1
0.85
0.79
0.75
0.73
0.72
0.71
D.70







1
0.94
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
Bundled directly on the wall , on the floor
Arrangement
Mode of installation
Derating factors for grouping
In a tube or in a duct, on or in a wall
Single layer on a wall or on the floor touching
Single layer on a wall or on the floor  with clearances equal to the cable diameter
electrical Cables.pdf
Electrical Cables- Technical Data